105555520572317 has 2 divisors, whose sum is σ = 105555520572318. Its totient is φ = 105555520572316.

The previous prime is 105555520572233. The next prime is 105555520572323. The reversal of 105555520572317 is 713275025555501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80411052462841 + 25144468109476 = 8967221^2 + 5014426^2 .

It is a cyclic number.

It is not a de Polignac number, because 105555520572317 - 2²⁴ = 105555503795101 is a prime.

It is a super-2 number, since 2×105555520572317² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105555520572017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52777760286158 + 52777760286159.

It is an arithmetic number, because the mean of its divisors is an integer number (52777760286159).

Almost surely, 2^{105555520572317} is an apocalyptic number.

It is an amenable number.

105555520572317 is a deficient number, since it is larger than the sum of its proper divisors (1).

105555520572317 is an equidigital number, since it uses as much as digits as its factorization.

105555520572317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9187500, while the sum is 53.

The spelling of 105555520572317 in words is "one hundred five trillion, five hundred fifty-five billion, five hundred twenty million, five hundred seventy-two thousand, three hundred seventeen".